Fingerprint Recognition is One of the Oldest and Most Researched Fields of Biometrics

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Fingerprint recognition is one of the oldest and most Researched fields of biometrics. Biometrics is the automated
use of physiological or behavioral characteristics to determine or verify identity data derived from direct measurement of a part of the human body. In areas of business, the identities of personnel and employees needs to be verified .This is required for attendance .Thus there is restriction on the access to computers for unauthorized users since there are no shared or compromised passwords between the employees. Hundred of years back, fingerprints were used in the forensics and crime branch investigations with the help of automatic fingerprint identification systems. A fingerprint is a distinctive or identifying mark left on the surface when a finger is pressed against it. Impressions of fingers are either made by ink or left behind by secretions of sweat. Fingerprints have certain ridge and valley patterns that are classified systematically. The basic patterns which are used for matching purposes are minutia points and ridges. The three kinds of ridges are arch, loop ,and whorl .They are called singularities. These are the regions where there is large change in orientation. They are therefore very useful for alignment purposes and for fingerprint classification. Minutiae are features which can be used for Fingerprint classification and verification. However, an accurate definition of minutia has not been defined. In layman’s language, minutia is just an…